Feldspar

Author:	Bowles, Oliver.
Additional Authors:	Lee, C. V.
Year:	1930
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6381
Series:	Information circular / United States. Bureau of Mines ;
Report Number:	6381
Subjects:	Feldspar mines and mining
	Feldspar industry
Link:	https://hdl.handle.net/2027/mdp.39015077576323